2 // (C) Copyright Steve Cleary, Beman Dawes, Howard Hinnant & John Maddock 2000.
3 // Use, modification and distribution are subject to the Boost Software License,
4 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
5 // http://www.boost.org/LICENSE_1_0.txt).
7 // See http://www.boost.org/libs/type_traits for most recent version including documentation.
9 #ifndef BOOST_TT_HAS_NOTHROW_DESTRUCTOR_HPP_INCLUDED
10 #define BOOST_TT_HAS_NOTHROW_DESTRUCTOR_HPP_INCLUDED
12 #include <boost/type_traits/has_trivial_destructor.hpp>
14 #if !defined(BOOST_NO_CXX11_NOEXCEPT) && !defined(__SUNPRO_CC) && !(defined(BOOST_MSVC) && (_MSC_FULL_VER < 190023506))
16 #include <boost/type_traits/declval.hpp>
17 #include <boost/type_traits/is_destructible.hpp>
23 template <class T, bool b>
24 struct has_nothrow_destructor_imp : public boost::integral_constant<bool, false>{};
26 struct has_nothrow_destructor_imp<T, true> : public boost::integral_constant<bool, noexcept(boost::declval<T*&>()->~T())>{};
30 template <class T> struct has_nothrow_destructor : public detail::has_nothrow_destructor_imp<T, boost::is_destructible<T>::value>{};
31 template <class T, std::size_t N> struct has_nothrow_destructor<T[N]> : public has_nothrow_destructor<T>{};
32 template <class T> struct has_nothrow_destructor<T&> : public integral_constant<bool, false>{};
33 #if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
34 template <class T> struct has_nothrow_destructor<T&&> : public integral_constant<bool, false>{};
41 template <class T> struct has_nothrow_destructor : public ::boost::has_trivial_destructor<T> {};
47 #endif // BOOST_TT_HAS_NOTHROW_DESTRUCTOR_HPP_INCLUDED